Bounding entanglement measures from variance-based entanglement criteria.—
Let us focus here on classes of entanglement criteria involving variances of operators, and thus involving only measurements of their first and second moments. Because of their simplicity, criteria of this form have been widely investigated in the literature for both bipartite [1]}, [2]}, [3]}, [4]}, [5]} and multipartite [6]}, [7]}, [8]}, [9]}, [10]}, [11]}, [12]}, [13]} scenarios, and they are routinely used experimentally [14]}.
